Four chinese characters - Jia Qing Tong Bao (big Jia) / Manchu word Aksu to the left of the hole, Aks(u) in Turkic sript to the right of the hole. Mint of Aksu in Sinkiang province, issued 1798-1800. 25mm, 3.0 grams. Hartill #22.560.The Jiaqing Emperor (13 November 1760 2 September 1820) was the sixth emperor of the Manchu-led Qing dynasty, and the fifth Qing emperor to rule over China proper, from 1796 to 1820. Son of the famous Qianlong Emperor, he is remembered for his prosecution of Heshen, the infamously corrupt favourite of Qianlong, as well as for attempts to restore the state and curb the smuggling of opium inside China.This coin is unconditionally guaranteed to be authentic